JPH09268685A - Flat roof of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce kinds of roof units, and easily apply a drainage slope. SOLUTION: A flat roof 1 of a building is composed of plural roof units 15 to 17 having a frame member and a roof panel installed on this frame member. These roof units 15 to 17 are installed in an inclined condition above building main bodies 5 to constitute a building 2 through support members 27 different in a high dimension, and are formed by applying a slightly inclined drainage slope.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flat roof of a building such as a unit-type building constructed by combining a plurality of building units.

[0002]

BACKGROUND ART For example, a flat roof in a unit type building constructed by combining a plurality of building units is
It is formed by arranging a plurality of roof units in parallel.
This roof unit is formed by including a frame member attached to the upper surface of a building unit and an ALC (lightweight aerated concrete cured by high temperature and high pressure steam) plate attached to the frame member. The ALC plate is a roof with a flat roof. Forming a surface. Further, such a flat roof is provided with a water slope that slightly inclines so that rainwater or the like does not collect on the upper surface.

Conventionally, the water gradient of a flat roof in a unit type building is such that a pair of brackets having an inclination equal to the water gradient are attached to, for example, a steel material constituting a frame member of each roof unit, and the bracket A
It was maintained by supporting the LC plate.

[0004]

However, in the flat roof of the building as described above, each roof unit is
It would have to have a frame member with brackets with a slope equal to the water slope, and multiple roof units with different height dimensions would have to be made. For this reason,
There was a problem that the number of roof units increased. Further, in order to make a slope of a flat roof, a pair of brackets must be made to have the same slope, which requires a lot of labor for production, and there is a problem that handling and management are troublesome.

An object of the present invention is to provide a flat roof of a building which requires a small number of types of roof units and can easily make a water gradient.

[0006]

A flat roof 1 of a building according to the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 3, a frame member 20 and the frame member 20 are provided.
A flat roof 1 of a building which is made up of a plurality of roof units 15-17 with a roof panel 21 attached to, and which has a slightly sloping water gradient. Each roof unit 15
Nos. 17 to 17 are characterized in that a water gradient is formed by being attached in an inclined state to the upper part of the building body 5 or the like constituting the building 2 via the support members 27 having different height dimensions.

[0007] In the above, the roof panel 21 is the AL
Preferably, the frame member 2 is made of C.
It is preferable that 0 is formed, for example, by frame-grooving steel. Further, although the number of the supporting members 27 is not limited, it is preferable that the supporting members 27 are arranged so as to be able to support at least both ends of the roof units 15 to 17 in the inclination direction. Further, the building 2 to which the flat roof 1 is applied may be not only a unit-type building in which a plurality of building units produced in a factory are assembled on site but also a building by a panel construction method.

In the present invention as described above, since the roof units 15 to 17 are mounted in an inclined state via the support members 27 having different heights, the roof units 15 to
17 may have the same shape, which reduces the number of types of roof units 15 to 17. Further, since the roof units 15 to 17 may be supported by the support members 27 having different heights, the flat roof 1 can be easily provided with a water gradient.

In the flat roof 1 of the building of the present invention,
As shown in FIGS. 1 to 3, the support member 27 includes three types 28 having different height levels for supporting the roof units 15 to 17.
˜30, and at least one of them may be capable of being placed on the other.

In the present invention as described above, three types 28 to 30 are used.
The supporting members 27 can be of a small type, since the above can be appropriately combined.

In the flat roof 1 of the building of the present invention,
As shown in FIG. 2, the roof units 15 to 17 arranged on both sides of the flat roof 1 in the direction along the water gradient have cover members whose upper sides are slightly inclined in order to cover the end faces along the water gradient. 40 may be provided.

In the above, it is preferable that the cover member 40 is formed of, for example, a decorative surface material or gypsum board, and is formed in a size corresponding to the size of each roof unit 15 to 17, but a predetermined width. The items may be sequentially arranged in parallel.
In the present invention as described above, since the end surface of the flat roof 1 along the water gradient is covered, rainwater or the like does not enter from the end surface.

As shown in FIG. 4, in the flat roof 1'of the building of the present invention, roof units 15 to 17 are provided at the periphery.
You may provide the parapet 45 rising from the surface of.

In the above, the parapet 45 is preferably formed by ALC, but it may be formed by using fire siding or the like. In the present invention as described above, since the parapet 45 is provided on the peripheral edge of the flat roof 1 ′, each roof unit 15 to 17 is protected and the appearance is varied.

In the flat roof 1 of the building of the present invention,
As shown in FIG. 5, the building has four pillars 6 erected at the four corners, and four upper beams 7 and lower beams 8 connecting the upper ends and the lower ends of these pillars 6, respectively. It is a unit-type building 2 in which a plurality of building units 4 and 5 including the frame 9 that is included are combined, and each roof unit 15 to 17 may be formed in a size corresponding to the building units 4 and 5.

In the above, the unit type building 2 is not limited to a two-story building, but may be a one-story building or a three-story building. In the present invention as described above, the sizes of the roof units 15 to 17 correspond to the sizes of the building units 4 and 5, so that the respective roof units 15 to 17 are replaced by the building units 4 and 5.
The flat roof 1 of the unit-type building 2 can be easily configured.

In the flat roof 1 of the building of the present invention,
As shown in FIGS. 1 to 3, the support member 27 has a bracket 28 having the lowest height dimension for supporting one end of the roof unit 15 arranged on the descending tip side of the water gradient, and an angle equal to the water gradient on the upper surface. A first spacer 29, which is inclined and supports the other end of the roof unit 15 and has a height dimension higher than that of the bracket 28, and the bracket 28 can be placed on the upper surface, and is adjacent to the roof unit 15. It may be configured to support one end of the roof unit 16 and to include the first spacer 29 and the second spacer 30 having different height dimensions.

In the above description, it is preferable that the bracket 28 simultaneously supports the front end surface of one end of the roof unit 15 and the lower end surface orthogonal to the front end surface. In the present invention as described above, the flat roof 1 of the building can be easily configured by combining the bracket 28, the first spacer 29, and the second spacer 30.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the building according to the first embodiment of the present invention is a unit-type building 2. This unit-type building 2 includes a lower-floor building unit 4 which is a plurality of building bodies arranged on a foundation 3, and an upper floor which is a plurality of building bodies placed on these lower-floor building units 4. The building unit 5 and the flat roof 1 of the building according to the present invention provided above the upper floor building unit 5 are provided.

This unit type building 2 is constructed by arranging three building units 4 and 5 in parallel in the left-right direction in FIG. The flat roof 1 is disposed on the upper part of the two building units 5 and 5 on the left side, and has one end 1 with a slight water gradient (α °) which is a downward slope to the left in the figure.
A and the other end portion 1 which is disposed on the upper part of the building unit 5 on the right side and has a same inclination as the above inclination (α °) and has a downward slope to the right.
And B.

As shown in FIG. 5, each of the building units 4 and 5 has four pillars 6 standing at four corners and four pillars 6 connecting the upper ends and lower ends of the pillars 6 to each other. A skeleton 9 including an upper beam 7 and a lower beam 8 of a book is provided. And
A ceiling surface material, a floor surface material, an inner wall, an outer wall 10 (see FIG. 1), etc. are attached to such a frame 9, and the building unit 4,
5 are formed.

As shown in FIGS. 1 to 3, the flat roof 1 is arranged on a first roof unit 15 arranged on an upper floor building unit 5A on the left side of the drawings and on a central building unit 5B. The second roof unit 16 and the third roof unit 17 arranged on the upper side of the building unit 5C on the right side are configured to be included, and are formed by sequentially joining these 15 to 17.

As shown in FIGS. 2 and 3, each of the roof units 15 to 17 includes a frame member 20 and a roof panel 21 attached to the frame member 20.
The frame member 20 is formed by, for example, frame steel, and has an outer shape that is large enough to cover the planes of the building units 5A to 5C. Also, the roof panel 21
It is formed of the ALC plate and is fixed to the frame member 20 with, for example, bolts, although not shown. Of the roof panels 20, the roof panel 2 of the first roof unit 15
One end of 0A has a shape retracted in the upward direction of the slope from the downward end of the slope of the first roof unit 15, and has a side surface 22A and a flange portion 22B of the drainage groove 22 attached to the upper surface of the first roof unit 15. Is fitted into. Also, one end of the roof panel 21 of the third roof unit 17,
It has the same structure as above. The drain groove 22 is
For example, it is formed by bending a vinyl chloride steel plate, and a part thereof is fixed to the frame member 20 via the support member 23.

A waterproof sheet 24 made of synthetic resin such as vinyl chloride is stretched over the upper surface of each of the roof units 15 to 17 so as to straddle the respective connecting portions.
The end portion of No. 4 is welded to the upper surface of the flange portion 22B of the drain groove 22.

As shown in FIGS. 1 and 3, the first to third roof units 15 to 17 are supported by roof unit support members 27 having different heights, and a water gradient with a slight inclination α ° is provided. It is attached to the building units 5A-5C. That is, the roof unit supporting member 27 supports the one end of the first roof unit 15 arranged at the lower end side of the water gradient, that is, the lower end edge of the one end portion 1A of the flat roof 1, and has the lowest height dimension for supporting the bracket 28. A first spacer 29 that supports the other end of the first roof unit 15 and has a height dimension higher than that of the bracket 28, and one end that supports one end of the second roof unit 16 adjacent to the first roof unit 15. 2 spacers 30 and the second spacers 30 are
The height dimension is different from that of the first spacer 29.

Each of the spacers 29, 30 is made of a wooden lumber or the like. Of these, the upper surface 29 of the first spacer 29 is included.
In A, a slope that rises to the right in FIG. 3 is formed at the water gradient α °. The second spacer 30 is formed to have a quadrangular cross section, and the bracket 28 can be placed on the upper surface 30A of the second spacer 30. The height dimension of the second spacer 30 is such that when the bracket 28 is placed on the second spacer 30, the sloped portion 28B of the bracket 28 is used.
The height (see FIG. 2) and the upper surface 29A of the first spacer 29 are located on the same straight line. The lower part of the other end of the second roof unit 16 is supported by the first spacer 29 stacked on the second spacer 30 and combined with each other.

As shown in FIG. 2, the bracket 28 has a bottom surface portion 28A that is in contact with the top surface 30A of the building unit 5A and the second spacer 30, and α with respect to this bottom surface portion 28A.
A sloped portion 28B that is slightly inclined upward to the right and a receiving portion 28C that is perpendicular to the sloped portion 28B and extends obliquely upward and that supports the tip on the one end side of the second roof unit 16. It is formed including.

Although not shown, the bracket 28 can be fixed to the building unit 5A and the upper surface 30A of the second spacer 30 by nailing, for example, and the bracket 28 and the roof units 15 to 17 can be fixed to each other. The roof units 15 to 17 are fixed by driving nails from the frame member 20 side. Further, at this time, the bracket 28 has its receiving portion 28C attached so as to slightly project from the outside of the building unit 5A or the like so that the lower end of the roof unit 15 is arranged almost directly above the building unit 5A or the like. Then, between the brackets 28 arranged in the direction orthogonal to the paper surface of FIG.
25 'is hung.

As shown in FIG. 2, the roof units 15 to 17 arranged on both sides of the flat roof 1 in the direction along the water gradient have upper sides for covering the end faces along the water gradient. A slightly inclined cover member 40 is provided. That is, the cover member 40 includes a first cover 41 corresponding to the end surface of the first roof unit 15 and a second cover 42 corresponding to the end surface of the second roof unit 16, and the respective covers 41, 42. The upper side is α °
It has a slope equal to the slope of the water gradient. The cover 43 on the end surface of the third roof unit 17 includes the second cover 42.
Therefore, the second cover 42 may be used in reverse. And these covers 41-43
Are attached to the side surfaces of the frame member 20, the first spacer 29, and the second spacer 30 by nailing or the like.

According to the first embodiment as described above, the following effects can be obtained. In order to give a slightly inclined water gradient to the flat roof 1, each roof unit 15 to 17 is provided with a bracket 28, a first spacer 29 and a second spacer 3 having different height dimensions.
Building units 5A to 5 through a support member 27 made of 0
It is sufficient to mount it on C, and each roof unit 15-17
Since the same shape can be used, the number of types of roof units can be small.

Each roof unit 15 to 17 has a bracket 28, a first spacer 29 and a second spacer 29 having different heights.
Since it is possible to form a slightly inclined water gradient only by mounting it on the building units 5A to 5C via the support member 27 composed of the spacer 30, the flat roof 1 having a water gradient can be easily formed. Since there are few types of roof units, it is easy to manufacture and easy to manage and handle.

The bracket 28 is used for the first roof unit 1
5 and can support the upper surface 30 of the second spacer 30.
Since the second roof unit 16 can be mounted on A and can support the second roof unit 16, one member can be used in common, whereby the members can be commonly used and the number of members can be reduced. Since the end surface of the flat roof 1 along the water gradient is covered with the first to third covers 41 to 43, rainwater or the like does not enter from the end surface of the roof 1.

In the second embodiment of the present invention, as shown in FIG. 4, a parapet 45 is provided around a flat roof 1'of a unit-type building 2 '. In this embodiment, the same structure and the same members as in the first embodiment are
The same reference numerals are given, and their explanations are omitted or simplified. The parapet 45 is adapted to be supported by a first support fitting 46 having an L-shaped cross section, and the first support fitting 46 is fixed to the bracket 28 arranged at one end of the first roof unit 15. There is. This parapet 4
5 is made of ALC, for example, and its upper surface projects from the upper surfaces of the roof units 15 to 17.

The bracket 28 for supporting the lower edge of the third roof unit 17 has the first support fitting 46.
A second support fitting 46 'having a longer vertical portion than that is fixed. A backup material and caulking material 48 are packed in the gap between the parapet 45 and the outer wall 10.

In the second embodiment as described above, in addition to effects other than the effects of the first embodiment, the building unit 5 is provided below the roof 1 and the parapet 4 is provided.
Even if there is no portion to which 5 is attached, there is an effect that the parapet 45 can be attached using the bracket 28 with a simple support fitting.

The present invention is not limited to the above-described embodiments, but includes the following modifications as long as the object of the present invention can be achieved. For example, in each of the above embodiments, the upper surface 29 of the first spacer 29 is
Although a water gradient is applied to A, the first spacer is not limited to this and has a quadrangular cross section like the second spacer 30, and a bracket having a slight inclination equal to the water gradient is provided on the upper surface of the first spacer. May be attached.

[0037]

As described above, according to the flat roof of the building of the present invention, since each roof unit is mounted in an inclined state via the supporting members having different height dimensions, the type of each roof unit is different. Need less Further, since each roof unit may be supported by the supporting members having different heights, there is an effect that a slope can be easily formed.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional side view showing an entire unit-type building according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a part of the unit-type building of the present embodiment.

FIG. 3 is a cross-sectional view showing a main part of this embodiment.

FIG. 4 is a sectional view showing a main part of a unit-type building according to a second embodiment of the present invention.

FIG. 5 is a perspective view showing a skeleton of a building unit constituting the unit type building of the present invention.

[Explanation of symbols]

 1 Flat roof of building 2 Unit type building 15 First roof unit 16 Second roof unit 17 Third roof unit 20 Frame member 21 Roof panel 27 Support member 28 Bracket 29 First spacer 30 Second spacer 40 Cover member 45 Parapet

Claims (6)

[Claims] 1. A flat roof of a building comprising a plurality of roof units comprising a frame member and a roof panel attached to the frame member, the roof units being provided with a slightly inclined water slope. There
A flat roof of a building, wherein each of the roof units has the water gradient formed by being installed in a tilted state on an upper part of a building body forming the building through support members having different height dimensions. . 2. The flat roof of the building according to claim 1, wherein there are three types of support members having different height levels for supporting the respective roof units, and at least one of them has an upper part other than the other. The flat roof of a building that can be placed on. 3. The flat roof of the building according to claim 1 or 2, wherein roof units arranged on both sides of the flat roof in a direction along the water gradient cover end faces along the water gradient. For this reason, a flat roof of a building is provided with a cover member whose upper side is slightly inclined. 4. The flat roof of a building according to claim 1, wherein a parapet standing up from the surface of the roof unit is provided on the periphery of the flat roof. 5. The flat roof of the building according to any one of claims 1 to 4, wherein the building has four pillars erected at four corners, and upper and lower ends of these pillars and lower and lower ends thereof. It is a unit-type building in which a plurality of building units each including a frame having four upper beams and lower beams to be combined are combined, and each roof unit is formed in a size corresponding to the building unit. The flat roof of the featured building. 6. The flat roof of the building according to claim 1, wherein the support member has the highest height dimension for supporting one end of the roof unit arranged on the descending tip side of the water gradient. A low bracket, a first spacer on the upper surface of which an inclination equal to the water gradient is formed to support the other end of the roof unit, and which is higher in height than the bracket, and the bracket is mounted on the upper surface. Enable and
A flat roof of a building, which is configured to support one end of a roof unit adjacent to the roof unit and includes the first spacer and a second spacer having a different height dimension.